Thai voters' endorsement of army rule reflects a global backlash against the political establishment that can be seen in the U.K. and the U.S., one of the country's last non-military prime ministers told CNBC on Monday.
The Thai electorate approved a military-backed constitution in a referendum on Sunday that was the first major test of the junta's popularity since it took power in a coup in 2014.
The referendum was seen as a way to pave the way for democratic elections to return, but not until late 2017.
Ex-Prime Minister and current leader of the Democrat Party Abhisit Vejjajiva told CNBC that Thai voters' support for military rule was part of a trend of disenchantment with traditional politics.
The U.K. people's vote to leave the European Union in June has been interpreted as a vote against establishment British politicians, who largely campaigned to remain in the bloc.
Similarly, the popularity of U.S. Republican presidential candidate, Donald Trump, has been seen as a sign of U.S. voters' disenchantment with the Washington status quo.